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Sismo leggero mag. 4.2 - Alaska, Stati Uniti, domenica, 2 ott 2022 15:03 (GMT -8) -

Sismo leggero mag. 4.2 - Alaska, Stati Uniti, domenica,  2 ott 2022 15:03 (GMT -8) Sismo leggero mag. 4.2 - Alaska, Stati Uniti, domenica,  2 ott 2022 15:03 (GMT -8)

Sismo leggero magnitudine 4.2 a 168 km di profondità

2 Oct 23:06 UTC: Primo a segnalare: USGS dopo 3 minuti.
3 Oct 04:02: Magnitudine ricalcolata da 3.7 a 4.2. Profondità ricalcolata da 178.1 a 168.2 km (da 111 a 105 mi). Posizione dell'epicentro corretta di 3.4 km (2.1 mi) al NO.

Dettagli del sismo

Data e ora2 Oct 2022 23:03:08 UTC -
Ora locale all'epicentrodomenica, 2 ott 2022 15:03 (GMT -8)
Prof.168.2 km
Epicentro latitudine / longitudine59.4543°N / 154.4766°W (Borough di Lake and Peninsula, Alaska, Stati Uniti)
Antipodo59.454°S / 25.523°E
Intensità di scuotimentoScuotimento molto debole
Sentito0 rapporti
Fonte dati primariaUSGS (United States Geological Survey)
Vulcano più vicinoAugustine (60 km / 37 mi)
Luoghi vicini17 km E da Kokhanok (pop: 170) | Mappa | Sismi nelle vicinanze
38 km SE da Newhalen (pop: 182) | Mappa | Sismi nelle vicinanze
166 km O da Homer (pop: 5,520) | Mappa | Sismi nelle vicinanze
207 km OSO da Kalifornsky (pop: 7,850) | Mappa | Sismi nelle vicinanze
217 km OSO da Kenai (pop: 7,660) | Mappa | Sismi nelle vicinanze
319 km SO da Alaska City (pop: 298,700) | Mappa | Sismi nelle vicinanze
340 km SO da Eagle River (pop: 24,800) | Mappa | Sismi nelle vicinanze
340 km SO da Eagle River (Anchorage) (pop: 24,800) | Mappa | Sismi nelle vicinanze
Meteo all'epicentro al momento del sismoOvercast Clouds 7.9°C (46 F), humidity: 86%, wind: 6 m/s (12 kts) from ESE
Energia sismica rilasciata stimata1.3 x 1011 joules (35 MWh, equivalent to 30.1 tons of TNT) | about seismic energy
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
4.2168 kmSouthern AlaskaUSGS
4.2168 kmSouthern AlaskaRaspberryShake
3.710 kmSouthern AlaskaIRIS
4.5176 kmSouthern AlaskaGFZ


Seismic station: Augustine North, Augustine Island, Alaska (AUNO/AV network) | Distance from quake: 58 km / 36 mi | Show on map | Station Info
Seismic station Augustine North, Augustine Island, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.2-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.

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